> 1. The omnibar completion isn't as good. Chrome figures out where I go pretty regularly, and autocompletes extremely well based upon habits.

That's interesting, because I have found rather the opposite, for how I use it. Chrome doesn't seem to remember anything but my most frequented sites; with Firefox I find it much easier to find that thing I was reading a few weeks back that I did not bookmark by searching a word from the title. Chrome doesn't seem to remember anything but my most frequent and/or very most recently visited sites.